DescriptionThis video provides step-by-step instructions for replacing the spark plug on Briggs and Stratton small engines, commonly found in Tecumseh, Craftsman, Toro, MTD, Yard Machines, Lawn Boy, Ariens, Bolens, Yard-Man, and Huskee lawn mowers, riding tractors, zero-turn radius mowers, wheeled edgers, pressure washers, and generators. The most common reasons for replacing the spark plug are when the lawn mower engine is not starting, runs poorly, or stops after a few seconds.
All the information in this spark plug replacement video is applicable to the following brands: Briggs & Stratton, Tecumseh, Craftsman, Toro, MTD, Yard Machines, Lawn Boy, Ariens, Bolens, Yard-Man, Huskee
Tools used: socket spark plug wrench
Step-By-Step Instructions1
Before you begin the replacement, make sure the engine has cooled.
2
Before you begin the replacement, make sure the engine has cooled.
3
Now, remove the wire and boot from the spark plug.
4
Now, remove the wire and boot from the spark plug.
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Use a socket or a spark plug wrench to remove the old spark plug.
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Use a socket or a spark plug wrench to remove the old spark plug.
7
Install the new spark plug by screwing it into the cylinder head.
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Install the new spark plug by screwing it into the cylinder head.
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Be careful not to over tighten or damage the plug itself.
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Be careful not to over tighten or damage the plug itself.
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Once secured, attach the spark plug wire and boot.
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Once secured, attach the spark plug wire and boot.